{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Ten patients who had Parkinson ' s disease with disabling dyskinesia were included in this study to evaluate the role of mental ( mental calculation ) and motor ( flexion / extension of right fingers , flexion / extension of left fingers , flexion / extension of the neck , speaking aloud ) tasks on the worsening of peak - dose dyskinesia following administration of an effective single dose of apomorphine ."}
{"Disease": ["Parkinson ' s disease", "dyskinesia"], "Chemical": ["apomorphine"]}